Question

Cuscuta plants cannot perform photosynthesis. How do they obtain their nutrition ?

Answer 1

In desert plants, the stomata is open during night. During night, desert plants absorb carbon dioxide and form an intermediate. Then during day time when the stomata is closed to prevent loss of water, they use this stored carbon dioxide to perform photosynthesis.

Answer 2

Cuscuta is a parasite (an organism which lives on the body of other oraganism) on other plants. It obtains food from other plant body on which it lives.